Ionic Compounds (Binary with Main Group Metals)

Front

What does a charge of -1 mean for an atom?

Back

It means that the atom gains 1 electron to become an ion.

Front

What is the chemical formula for the ionic compound formed by potassium and oxygen?

Back

K₂O

Front

What is the formula when Ca²⁺ and I⁻ ions bond?

Back

CaI₂

Front

What is the name of the compound Li₂O?

Back

lithium oxide

Front

Which ion has an oxidation number of +2?

Back

barium

Front

What is an ionic compound?

Back

An ionic compound is formed when atoms transfer electrons, resulting in the attraction between positively and negatively charged ions.

Front

How do you determine the formula of an ionic compound?

Back

Combine the symbols of the ions, adjusting the subscripts to balance the total positive and negative charges.

Front

What is the oxidation number of sodium in NaCl?

Back

+1

Front

What is the oxidation number of oxygen in most compounds?

Back

-2

Front

What is the significance of the Roman numeral in transition metal compounds?

Back

It indicates the oxidation state of the metal in the compound.